Voivode Lawrence thus lacked the support of some of the most important pillars in restoring order and royal power and managed the church's properties in Transylvania himself under secular control.
[3] On his very first appearance in sources in May 1246, Gallus successfully requested King Béla IV of Hungary to exempt the free people and guest settlers (hospes) of the episcopal see Gyulafehérvár (present-day Alba Iulia, Romania) and the bishopric's other landholdings – Harina and Bilak in Doboka County, Gyalu in Kolozs County, Zilah and Tasnád in Szolnok County (present-day Herina, Domnești, Gilău, Zalău and Tășnad in Romania, respectively) – from the jurisdiction of the Voivode of Transylvania (and other secular officials) and assign them to the diocese's own court, and in complicated cases directly to the king's tribunal.
Upon his request, Pope Alexander IV permitted to attach the income of two churches or chapels belonging to the bishopric to the canons' emoluments (benefice) in April 1257.
Pope Innocent IV entrusted him in September 1247 – together with his metropolitan Archbishop Benedict of Kalocsa and Bulcsú Lád, Bishop of Csanád – to find a new episcopal see for the Diocese of Syrmia, because the Mongols devastated the former see Kő monastery (present-day Banoštor, Serbia).
In April 1264, Pope Urban IV instructed Gallus to absolve a certain Transylvanian pastor Stephen, who was accused of manslaughter, from ecclesiastical punishments, if he really only committed his act in self-defense.
King Béla IV commissioned Gallus and Ákos, the provost of Buda in 1254 to investigate a conflict between the Bakonybél Abbey and its local secular servants.